The present disclosure generally relates to a service cart. The service cart includes an outer shell, an inner shell, a door, a rubber latch, a handlebar, and a braking system. The inner shell is surrounded by the outer shell with rounded edges and a recessed area. The door is coupled to the outer shell. The rubber latch is connected to the door and capable of magnetically coupling with the recessed area on the outer shell. The handlebar is disposed on top of the outer shell. The braking system is controlled by a twist lock on the handlebar to activate a plurality of brakes on wheels.

The present disclosure generally relates to a service cart. The service cart includes an outer shell, an inner shell, a door, a rubber latch, a handlebar, and a braking system. The inner shell is surrounded by the outer shell with rounded edges and a recessed area. The door is coupled to the outer shell. The rubber latch is connected to the door and capable of magnetically coupling with the recessed area on the outer shell. The handlebar is disposed on top of the outer shell. The braking system is controlled by a twist lock on the handlebar to activate a plurality of brakes on wheels.

The invention relates to a device (200) for locking a door, which comprises: a bolt (40) comprising a bar (52) configured to engage in a housing secured to the frame (80) accommodating the door and a pusher means secured to the bar (41) and spaced apart from the bar by a stem and in which the bolt is positioned on the door at a height relative to the foot of the door of between thirty and eighty centimetres, such that the bar of the bolt can be engaged with or disengaged from the housing secured to the frame by pressure applied by a user's knee against the pusher means.

The invention relates to a device (200) for locking a door, which comprises: a bolt (40) comprising a bar (52) configured to engage in a housing secured to the frame (80) accommodating the door and a pusher means secured to the bar (41) and spaced apart from the bar by a stem and in which the bolt is positioned on the door at a height relative to the foot of the door of between thirty and eighty centimetres, such that the bar of the bolt can be engaged with or disengaged from the housing secured to the frame by pressure applied by a user's knee against the pusher means.

An adjustable door lock may include a catch plate adapted to be secured adjacent to the door. A plurality of catch brackets may be connected to the catch plate. A catch may be adjustably connected to the catch plate and interfitted through the catch brackets. Such a catch preferably has a linear channel formed therein. A door plate may be disposed adjacent to the catch plate and adapted to be secured to the door. A locking bolt may further be housed within the door plate and may be linearly reciprocated along a first linear path passing through the door plate and the linear channel. In this way, the catch may be automatically adjusted along a second linear path orthogonally registered relative to the first linear path such that the linear channel automatically becomes axially aligned with the locking bolt as the locking bolt ingresses and egresses the catch.

An adjustable door lock may include a catch plate adapted to be secured adjacent to the door. A plurality of catch brackets may be connected to the catch plate. A catch may be adjustably connected to the catch plate and interfitted through the catch brackets. Such a catch preferably has a linear channel formed therein. A door plate may be disposed adjacent to the catch plate and adapted to be secured to the door. A locking bolt may further be housed within the door plate and may be linearly reciprocated along a first linear path passing through the door plate and the linear channel. In this way, the catch may be automatically adjusted along a second linear path orthogonally registered relative to the first linear path such that the linear channel automatically becomes axially aligned with the locking bolt as the locking bolt ingresses and egresses the catch.

An intelligent lock, overlock, and lock system can be electrically controlled to open and close one or more locks. The lock, lock system, and method may function on a frequency selected to avoid cross talk, which permits numerous locks to function simultaneously on the same central system with little interruption or delay. A lock may be used as an overlock for an existing lock or be a primary lock and may include a pivoting engagement structure that engages a locking mechanism to provide added strength.

A mechanism for selectively coupling a first moving part with a second moving part. The mechanism includes and engaging member that is movable between a detent position, a uncoupled position, and a coupled position in which the load transferring surface is within the aperture. A biasing member biases the engaging member into the detent position or coupled position. The engaging member overrides the biasing force and moves out of the detent position into the uncoupled position when first and second moving parts move relative to each other. When the engaging member is in the coupled position, the first and second moving parts are coupled for movement together. One embodiment of the invention is a child safety door handle rotating on a spindle. Other embodiments include water faucets, stove or burner controls, or any other rotatable or movable parts.

A sliding bolt latch as disclosed herein is convenient to use and more reliable than counterpart door locking mechanisms of the prior art. A user may open and close a door with only one hand, but the present mechanism requires both a rotational movement and a translational movement of elements against a biasing force. Such requirement makes opening doors much more difficult for livestock confined to spaces by the closed doors. Also, the biasing of elements into the locking state makes embodiments of the invention less likely to unlock inadvertently in the presence of ambient vibrations.

A sliding bolt latch as disclosed herein is convenient to use and more reliable than counterpart door locking mechanisms of the prior art. A user may open and close a door with only one hand, but the present mechanism requires both a rotational movement and a translational movement of elements against a biasing force. Such requirement makes opening doors much more difficult for livestock confined to spaces by the closed doors. Also, the biasing of elements into the locking state makes embodiments of the invention less likely to unlock inadvertently in the presence of ambient vibrations.